[Bf-blender-cvs] [3cb42e59174] blender2.8: GPU Codegen: Fix assert caused by GC of failled shaders.

[Clément Foucault]

Commit: 3cb42e59174e9b898ba5c9f9a70335f95cdda23d
Author: Clément Foucault
Date:   Mon Apr 9 12:09:51 2018 +0200
Branches: blender2.8
https://developer.blender.org/rB3cb42e59174e9b898ba5c9f9a70335f95cdda23d

GPU Codegen: Fix assert caused by GC of failled shaders.

===================================================================

M	source/blender/gpu/intern/gpu_codegen.c

===================================================================

diff --git a/source/blender/gpu/intern/gpu_codegen.c b/source/blender/gpu/intern/gpu_codegen.c
index 7cd403d2721..b245c9a161f 100644
--- a/source/blender/gpu/intern/gpu_codegen.c
+++ b/source/blender/gpu/intern/gpu_codegen.c
@@ -2270,7 +2270,9 @@ void GPU_pass_release(GPUPass *pass)
 static void gpu_pass_free(GPUPass *pass)
 {
 	BLI_assert(pass->refcount == 0);
-	GPU_shader_free(pass->shader);
+	if (pass->shader) {
+		GPU_shader_free(pass->shader);
+	}
 	MEM_SAFE_FREE(pass->fragmentcode);
 	MEM_SAFE_FREE(pass->geometrycode);
 	MEM_SAFE_FREE(pass->vertexcode);